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  • Heredity and evolution Online Quiz
  • In following cross in a pea plant, RRYY X rryy the ratio ...
Multiple choice

In following cross in a pea plant, RRYY X rryy the ratio of 4 different types of observed traits would be

  1. 9:4:2:1

  2. 7:6:2:1

  3. 4:4:4:4

  4. 9:3:3:1

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A dihybrid cross between RRYY and rryy results in an F2 generation with a phenotypic ratio of 9:3:3:1.

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